Su-ji and U-ri
Su-ji’s Mother (1x66)
:
Su-ji learns that Sun-young is her mother and discovers that Jang-soo and Yoon-ja also know. Feeling betrayed that Sun-young didn't reveal their relationship sooner, Su-ji is hurt. Sun-young is speechless, torn by her daughter's pain. Meanwhile, Jin-tae opposes Hyun-sung's marriage until paternity is confirmed. Later, Su-ji vanishes from the hospital.